Vehicle bumper



FIG. 1 is a top, front, and right side perspective view of a vehicle bumper embodying our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines in the drawings illustrate portions of the vehicle bumper which form no part of the claimed design. 

CLAIM The ornamental design for a vehicle bumper, as shown and described. 